Hypericum perforatum
TAXONOMY
FamilyHypericaceae
GenusHypericum
Zone4
LEARN MORE
Plants of the World OnlineABOUT
Hypericum perforatum, commonly known as St. John's Wort, is a perennial herb in the family Hypericaceae. It is native to Europe, but has spread to temperate regions worldwide. The plant is known for its bright yellow flowers and has been used traditionally for its medicinal properties. It undergoes a dormancy period during the winter months.
ALSO KNOWN AS
Perforate St John's-Wort
Saint John's Wort
St. John's Wort
St. John's-Wort
Hypericum assurgens
Hypericum officinale
Hypericum officinarum
Hypericum perforatum f. brevispathum
Hypericum perforatum f. lineolatum
Hypericum perforatum f. lucidum
Hypericum perforatum var. albiflorum
Hypericum perforatum var. alpinum
Hypericum perforatum var. anomalum
Hypericum perforatum var. decompositum
Hypericum perforatum var. lineolatum
Hypericum perforatum var. petiolatum
Hypericum perforatum var. semihumifusum
Hypericum vulgare
OVERVIEW
VPDCalculate
WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
Dormancy3 Months
pH6.5
Pressure1,013 mbar
WANT MORE TIPS?
DETAILS
Care Instructions
St. John's Wort thrives in temperate climates with moderate temperatures. It prefers bright, direct sunlight and should be watered when the soil is almost completely dry. The plant does well in moderate humidity and can tolerate a range of temperatures, but it prefers a temperate environment.Soil
Hypericum perforatum prefers well-draining loamy soil. It can tolerate a range of soil types but does best in soil that is not too rich in nutrients. Ensure the soil has good drainage to prevent waterlogging.Fertilizer
This plant does not require frequent fertilization. If needed, a balanced fertilizer can be applied sparingly during the growing season.Repotting
Repotting is not frequently required for St. John's Wort. If the plant becomes root-bound, it can be repotted in the spring. Choose a pot that is slightly larger than the current one and ensure it has good drainage.Propagation
St. John's Wort can be propagated by seeds, cuttings, or division. The best time to propagate is in the spring. For cuttings, take a healthy stem and root it in a well-draining soil mix.Pruning
Pruning is beneficial for maintaining the shape and health of the plant. Prune in early spring to remove dead or damaged stems and to encourage new growth.Toxicity
Hypericum perforatum is toxic to pets, particularly cats, dogs, and horses. All parts of the plant contain hypericin, which can cause photosensitivity and other health issues if ingested.REVOLUTIONIZE YOUR PLANT CARE
Make Every Plant Smart
Plant Monitor
STAYS IN YOUR PLANT
Accurately measures the core metrics of your plant – soil moisture, light, temperature and humidity - as well as compound metrics such as Vapor Pressure Deficit (VPD) and Growing Degree Days (GDD).
Shop Now
